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Product

DNV-OS-E402 1,500 psi saturation diving bell & excursion umbilicalDNV-OS-E402 / IMCA D 0781,500 PSI Heliox + Reclaim440–1,000 V Bell Sub-Cables

UDT0205 / UDF0105 1,500 PSI Saturation Diving Bell & Excursion UmbilicDNV-OS-E402 / IMCA D 078 · 0.6/1 kV · Dnv-os-e402 1,500 psi saturation diving bell &

UDT0205 / UDT0304 & UDF0105 / UDF0302 1500 PSI Saturation Diving Bell Excursion & Main Bell Umbilical (DNV-OS-E402 / IMCA D 078, 0.6/1 kV, -30 °C to +70 °C, min. bend radius 12 × OD).

Water-resistant

Anti-torsion braid

Oil-resistant

Approved

Configuration

Order designation: UDT0205 3-Part / Compact Assembly
Outer Ø ≈: 28.5 mm
Net weight ≈: 920 kg/km
Tensile rating ≈: 25.0 kN
Core / stranding: Helical cabled composite umbilical

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: 0.6/1 kV
Operating temp.: −30…+70 °C
Min. bend radius: 12 × OD
Core / conductor: 1,250 psi
Outer protection: Synthetic Braid
Standard: DNV-OS-E402

Typical values for this cable type, based on DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell — confirmed in the datasheet and quotation for your order.

Application fit

Is UDT0205 / UDF0105 right for your machine?

UDT0205 / UDT0304 & UDF0105 / UDF0302 1500 PSI Saturation Diving Bell Excursion & Main Bell Umbilical (DNV-OS-E402 / IMCA D 078, 0.6/1 kV, -30 °C to +70 °C, min. bend radius 12 × OD).

Immersion & wet locations

Suitable

Water-blocked core matrix and hydrolysis-resistant subsea jacketing withstand continuous deepwater hydrostatic pressure.

Vertical / spreader reel

Suitable

Torque-balanced aramid or contra-helical steel armour supports vertical winch deployment without hockling.

Offshore platform & shipboard deck trays

Suitable

Marine-grade outer sheath and armour package resist LARS sheave abrasion, UV exposure and salt-spray corrosion.

Trailing & towing

Suitable

High tensile breaking strength supports underwater towing, ROV excursion and seabed plough/trencher duty.

Energy chain / drag chain

Not suitable

Subsea umbilical and tow construction is not intended for high-cycle indoor factory drag chains.

Use Drag-Chain Servo Cable

Typical machinesMarine & Offshore CableWork-Class & Observation ROV SystemsOffshore Wind & Subsea Power GridsOceanographic, Sonar & Seismic SurveyCommercial Diving & Subsea Intervention

Construction

Layer by layer

Shown: UDT0205 / UDF0105 (DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell) featuring crush-resistant gas reclaim hose (hdr0208/0112), 1,500 psi heliox & hot-water hoses and main bell umbilical braid & pur jacket (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Crush-Resistant Gas Reclaim Hose (HDR0208/0112)	Central crush-resistant Heliox reclaim hose (up to 1,250 psi external collapse rating)
2	1,500 PSI Heliox & Hot-Water Hoses	Low-VOC TPE core tubes + multi-layer yarn braids (102 bar WP / 410 bar burst)
3	Gas Reclaim & Hot-Water Hose Covers	Helium-permeable impregnated braid (Reclaim) or bonded PUR cover (Hot-Water)
4	Saturation Comms, Video & Monitoring Cable	Screened multicore diver communication, video and telemetry sub-cable
5	Main Bell Umbilical Braid & PUR Jacket	Synthetic fiber reinforcement braid + heavy-duty black polyurethane outer sheath

UDT0205 / UDF0105 — Standard Subsea & Marine Execution

Built to DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell with crush-resistant gas reclaim hose (hdr0208/0112) and main bell umbilical braid & pur jacket

UDT0205 / UDF0105 — Custom Drum Length & Termination Kit

Available in custom continuous subsea/wellbore drum lengths or pre-terminated assemblies

UDT0205 / UDF0105 — Routine & Hydrostatic Test Certified

Supplied with EN 10204 3.1 routine dielectric, resistance & pressure/dimensional report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 0.6/1 kV (DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell)
Core / conductor construction: Crush-Resistant Gas Reclaim Hose (HDR0208/0112) — Central crush-resistant Heliox reclaim hose (up to 1,250 psi external collapse rating)
Primary dielectric / buffering: 1,500 PSI Heliox & Hot-Water Hoses — Low-VOC TPE core tubes + multi-layer yarn braids (102 bar WP / 410 bar burst)

Thermal

Continuous operating temperature: −30…+70 °C (subsea, marine & submersible duty)
Short-circuit / peak thermal rating: Verified thermal stability per DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Main Bell Umbilical Braid & PUR Jacket — Synthetic fiber reinforcement braid + heavy-duty black polyurethane outer sheath
Minimum bending radius: 12 × OD
Hydrostatic, tensile & crush duty: Saturation Comms, Video & Monitoring Cable — Screened multicore diver communication, video and telemetry sub-cable

Resistance

Hydrostatic pressure & water blocking: Engineered for continuous submersion and hydrostatic integrity per DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell
Seawater, oil & chemical resistance: Resistant to seawater hydrolysis, hydraulic oils and abrasion per DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell
Environmental & test standards: IEC 60228 / IEC 60332 / ISO 13628-5 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: UDT0205 / UDF0105
Sheath colour & metre marking: Continuous metre-marked black outer finish (Synthetic Braid + PUR)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard UDT0205 / UDF0105 subsea & marine configurations

Manufactured to DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell for subsea, offshore, deep-well and marine applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
UDT0205 / UDF0105 Construction Schedule (−30…+70 °C)
UDT0205 3-Part / Compact Assembly	Gas/Hydraulic Hose + Power + Comms/Coax	Helical cabled composite umbilical	28.5	920	25.0	285
UDT0205 4-Part / Standard Assembly	Dual Hose + 75 Ω Video Coax + Comms Pairs	Helical cabled composite umbilical	36.0	1,540	48.0	360
UDT0205 Heavy Bell / Intervention	Multi-Hose + 3×Coax + Power/Signal Quads	Aramid-reinforced subsea umbilical	54.0	3,420	90.0	540

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour grades and factory drum lengths available per DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
Gas/Hydraulic Hose + Power + Comms/Coax	4.95	0.6/1 kV + 35–240 bar Fluid	−30…+70 °C
Dual Hose + 75 Ω Video Coax + Comms Pairs	3.30	0.6/1 kV + 35–240 bar Fluid	−30…+70 °C
Multi-Hose + 3×Coax + Power/Signal Quads	1.91	0.6/1 kV + 100–240 bar Fluid	−30…+70 °C

Every production length undergoes routine conductor DC resistance, high-voltage dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, continuity & dimensional verification (DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell)	DC resistance at 20 °C / optical attenuation and outer diameter within DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell)	Zero dielectric breakdown and verified insulation resistance for 0.6/1 kV rating	Every manufactured drum length
Sample tests
Hydrostatic pressure, water-blocking & mechanical endurance qualification (DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell)	Verified submersion integrity, tensile load and thermal stability across −30…+70 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

DNV-OS-E402 / IMCA D 078 CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX UDT0205 / UDF0105 DNV-OS-E402 / IMCA D 078 0.6/1 kV CE

Delivery form: Heavy-duty export fumigated wooden drums or steel subsea reels
Standard lengths: 500 m, 1,000 m or custom continuous subsea/wellbore lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFUDT0205 / UDF0105 1,500 PSI Saturation Diving Bell Excursion Umbilical – technical datasheet3 sizes · construction, technical data, approvals XLSXUDT0205 / UDF0105 spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-25
Updated: 2026-10-25

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define UDT0205 / UDF0105 (UDT0205 / UDF0105 1,500 PSI Saturation Diving Bell & Excursion Umbilical)?

UDT0205 / UDF0105 (UDT0205 / UDF0105 1,500 PSI Saturation Diving Bell & Excursion Umbilical) is manufactured in accordance with DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell for 0.6/1 kV service over -30 °C to +70 °C. Its 5-layer construction comprises crush-resistant gas reclaim hose (hdr0208/0112), 1,500 psi heliox & hot-water hoses and main bell umbilical braid & pur jacket.

What is the minimum bending radius and operating temperature range for UDT0205 / UDF0105?

The minimum bending radius for UDT0205 / UDF0105 is 12 × OD across its continuous operating temperature range of -30 °C to +70 °C, ensuring mechanical and dielectric reliability in subsea, marine and submersible service.

How are the concentric layers of UDT0205 / UDF0105 arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Crush-Resistant Gas Reclaim Hose (HDR0208/0112) — Central crush-resistant Heliox reclaim hose (up to 1,250 psi external collapse rating); (02) 1,500 PSI Heliox & Hot-Water Hoses — Low-VOC TPE core tubes + multi-layer yarn braids (102 bar WP / 410 bar burst); (03) Gas Reclaim & Hot-Water Hose Covers — Helium-permeable impregnated braid (Reclaim) or bonded PUR cover (Hot-Water); (04) Saturation Comms, Video & Monitoring Cable — Screened multicore diver communication, video and telemetry sub-cable; (05) Main Bell Umbilical Braid & PUR Jacket — Synthetic fiber reinforcement braid + heavy-duty black polyurethane outer sheath.

What factory test certificates are supplied with UDT0205 / UDF0105?

Every production drum of UDT0205 / UDF0105 undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per DNV-OS-E402 / IMCA D 078 1,500 PSI Saturation Diving Bell, and is delivered with an EN 10204 3.1 factory test certificate.

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UDT0205 / UDF0105 1,500 PSI Saturation Diving Bell & Excursion Umbilic

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